A U.S. official focusing on arms control has provided what he called new, declassified details of a Chinese underground ...

The US tested a doomsday ballistic missile off the California coast Tuesday night — as war raged in the Middle East. The ...

The allegations were leveled by U.S. officials late last week. Arms control experts worry that norms against nuclear testing are unraveling.

America's Air Force Global Strike Command successfully launched an unarmed Minuteman III intercontinental ballistic missile.

India, March 5 -- The United States recently carried out a test launch of its nuclear-capable intercontinental ballistic ...

US intelligence agencies believe that China is developing a new generation of nuclear weapons and has conducted at least one covert explosive test in recent years as part of a broader push to ...

President Donald Trump will visit Texas on Friday to tout the administration’s energy policies on the heels of his State of the Union address.

President Trump's Truth Social announcement that the US will pursue new nuclear weapons testing raises more questions than it answers.

VIENNA (AP) — The United States and Russia have both recently threatened to resume nuclear testing, alarming the international community and jeopardizing a global norm against such tests. Experts say ...

Does a video show a nuclear test carried out by the Islamic Revolutionary Guard Corps (IRGC) in Iran? No, that's not true: The video clip shows a nuclear test in the Nevada desert in 1957. The ...

America’s last nuclear detonation was nothing special. Smaller than the bomb that killed 73,000 people in Nagasaki, it exploded 1,397 feet below the Nevada desert. It shook the ground, created a ...